Revolution Gear & Axle Dana 30 Reverse Front Axle Ring & Pinion Set

2005–2026 Jeep Wrangler, Jeep Gladiator, Jeep Grand Cherokee

D30JK-JL-488R

Overview:

The Revolution Gear & Axle Dana 30 Reverse Front Axle 4.88 Ratio Ring & Pinion Set is engineered to upgrade the front axle gearing of your Jeep, delivering enhanced torque and improved off-road capability. Designed specifically for a wide range of Jeep models from 2005 through 2026, this ring and pinion set is ideal for enthusiasts looking to optimize their vehicle’s drivetrain performance, especially when paired with larger tires or lifted suspensions.

This gear set is perfect for Jeep Wrangler JK and JL models, Jeep Gladiator, and select Jeep Grand Cherokee years, providing a reliable and durable solution for demanding trail conditions. By increasing the gear ratio to 4.88, it helps maintain proper engine RPMs and power delivery, ensuring your Jeep performs efficiently both on and off the road.

Key Features:

Built to meet the rigorous demands of off-road driving, this ring and pinion set offers the following key features:

• 4.88 Gear Ratio: Optimizes torque multiplication for improved crawling and acceleration.
• Reverse Cut Design: Enhances strength and durability under heavy loads and extreme conditions.
• Precision Machining: Manufactured with tight tolerances for smooth gear engagement and reduced noise.
• Direct Fitment: Designed to fit Dana 30 front axles on multiple Jeep models without modification.
• Durable Materials: Made from high-grade alloy steel for long-lasting performance and resistance to wear.
• Improved Drivetrain Efficiency: Maintains optimal engine RPMs when upgrading tire size or vehicle lift.
• Complete Ring & Pinion Set: Includes all necessary components for a full gear swap.

Construction & Design:

This ring and pinion set is crafted from premium alloy steel, heat-treated for maximum strength and durability. The reverse cut gear design not only provides superior load capacity but also reduces gear noise compared to standard cut gears. Precision CNC machining ensures exact gear tooth profiles for smooth meshing and long service life. Each component undergoes rigorous quality control to meet or exceed OEM standards, making it a dependable upgrade for your Jeep’s front axle.

Installation & Fitment:

The Revolution Gear & Axle Dana 30 4.88 ratio ring and pinion set is designed for direct replacement on Dana 30 front axles found in the specified Jeep models. Professional installation is recommended to ensure proper gear pattern setup, backlash adjustment, and torque specifications. No major modifications are required, but a complete axle teardown and reassembly are necessary. This gear set is ideal for those upgrading tire size or seeking improved off-road performance while maintaining drivetrain reliability.

What's Included:

• 4.88 Ratio Ring Gear
• Matching Pinion Gear
• Pinion Bearings and Races
• Ring Gear Bolts
• Installation Instructions

Ideal For:

This ring and pinion set is perfect for Jeep owners who have upgraded to larger tires or lifted suspensions and need to restore proper gear ratios for optimal performance. Off-road enthusiasts, trail riders, and daily drivers alike will benefit from improved torque delivery, reduced drivetrain strain, and enhanced vehicle control. It is especially suited for those driving Jeep Wrangler JK and JL models, Jeep Gladiator, and Jeep Grand Cherokee vehicles within the 2005 to 2026 model years.

Revolution Gear & Axle supplies drivetrain and off-road gearing essentials like ring-and-pinion sets, gear packages, axle kits, and differential components built for hard use. With a strong focus on Jeep and truck applications, Revolution is a go-to for enthusiasts re-gearing for bigger tires, improved crawl ratio, and dependable power transfer on trail, dunes, and rocky terrain.